Jitsi

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Jitsi is a free video chat application that is similar to Zoom but offers added benefits (it's free, open-source, etc.). We use it to live stream meetings and (sometimes) classes and events.

Rooms

There are a few regular and persistent rooms regularly on-line. Any room can be created by just specifying a web path to your name of choice, or by entering any value in to the form on the home page and pressing "Start Meeting" https://jitsi.noisebridge.io

hackitorium

Nominally on-line 24/7 with a feed of the [Noise_Square_Table] from inside Capp St. The weekly meeting is held here Tuesday nights, and there is regular CoHack's Thursday Eve and Saturday Noon.

turing

ohsnap

capp

ft

some admin commands

This looks possibly useful as a crib sheet https://community.jitsi.org/t/how-to-how-to-upgrade-jitsi-meet-monitor-the-logs/73746

Webcam control on Arch (v4l2-ctl)

[x@replicator ~]$ v4l2-ctl --list-devices
HD Pro Webcam C920 (usb-0000:00:14.0-3.1):
	/dev/video2
	/dev/video3

Integrated Camera: Integrated C (usb-0000:00:14.0-8):
	/dev/video0
	/dev/video1

[x@replicator ~]$ v4l2-ctl -d /dev/video2 --list-ctrls
                     brightness 0x00980900 (int)    : min=0 max=255 step=1 default=128 value=128
                       contrast 0x00980901 (int)    : min=0 max=255 step=1 default=128 value=128
                     saturation 0x00980902 (int)    : min=0 max=255 step=1 default=128 value=128
 white_balance_temperature_auto 0x0098090c (bool)   : default=1 value=1
                           gain 0x00980913 (int)    : min=0 max=255 step=1 default=0 value=0
           power_line_frequency 0x00980918 (menu)   : min=0 max=2 default=2 value=2
      white_balance_temperature 0x0098091a (int)    : min=2000 max=6500 step=1 default=4000 value=4000 flags=inactive
                      sharpness 0x0098091b (int)    : min=0 max=255 step=1 default=128 value=128
         backlight_compensation 0x0098091c (int)    : min=0 max=1 step=1 default=0 value=0
                  exposure_auto 0x009a0901 (menu)   : min=0 max=3 default=3 value=3
              exposure_absolute 0x009a0902 (int)    : min=3 max=2047 step=1 default=250 value=250 flags=inactive
         exposure_auto_priority 0x009a0903 (bool)   : default=0 value=1
                   pan_absolute 0x009a0908 (int)    : min=-36000 max=36000 step=3600 default=0 value=0
                  tilt_absolute 0x009a0909 (int)    : min=-36000 max=36000 step=3600 default=0 value=0
                 focus_absolute 0x009a090a (int)    : min=0 max=250 step=5 default=0 value=0 flags=inactive
                     focus_auto 0x009a090c (bool)   : default=1 value=1
                  zoom_absolute 0x009a090d (int)    : min=100 max=500 step=1 default=100 value=100
[x@replicator ~]$ v4l2-ctl -d /dev/video3 --list-ctrls
[x@replicator ~]$ 
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -C zoom_absolute
zoom_absolute: 100
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c zoom_absolute=200
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c zoom_absolute=150
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -C zoom_absolute
zoom_absolute: 150
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -C pan_absolute
pan_absolute: 0
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c pan_absolute=3600
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c pan_absolute=-3600
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c pan_absolute=0
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c tilt_absolute=-3600
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c tilt_absolute=-7200
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -C focus_absolute
focus_absolute: 0
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c focus_absolute=50
VIDIOC_S_EXT_CTRLS: failed: Invalid or incomplete multibyte or wide character
focus_absolute: Invalid or incomplete multibyte or wide character
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -C focus_auto
focus_auto: 1
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c focus_auto=0
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -C focus_auto
focus_auto: 0
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c focus_absolute=50
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c focus_absolute=20
[x@replicator ~]$ v4l2-ctl -d /dev/video2 -c focus_absolute=0